Question

31.2 g of ammonium carbamate (NH COONH) was heated
in a flask of 5.0 L to a temperature of 77°C. The flask
initially contained 1.70 g of NH3, NH,COONHA
dissociated to the extent of 50% when equilibrium reaches.
Calculate K, (in terms of 10-2 atm) for dissociation of
NH2COONH4.​

Answer 1

Answer:

Solid ammonium carbamate dissociates to give ammonia and carbon dioxide as follows:

NH

2

COONH

4

(s)⇌2NH

3

(g)+CO

2

(g)

At equilibrium, ammonia is added such that partial pressures of NH

3

now equals the original total pressure. Calculate the ratio of the total pressures now to the original total pressure.

Explanation:

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